Progressive rate spring for a suspension



FIG. 1 is a front elevation view of a progressive rate spring for asuspension having the inventive design;

FIG. 2 is a rear elevation view of the progressive rate spring for asuspension shown in FIG. 1, wherein the rear elevation view is identicalto the front elevation view shown in FIG. 1;

FIG. 3 is a left side elevation view of the progressive rate spring fora suspension shown in FIG. 1;

FIG. 4 is a right side elevation view of the progressive rate spring fora suspension shown in FIG. 1, wherein the right side elevation view isidentical to the left side elevation view shown in FIG. 3;

FIG. 5 is a top plan view of the progressive rate spring for asuspension shown in FIG. 1;

FIG. 6 is a bottom plan view of the progressive rate spring for asuspension shown in FIG. 1;

FIG. 7 is a top right front corner perspective view of the progressiverate spring for a suspension shown in FIG. 1, wherein the top rightfront corner perspective view is identical to a top left rear cornerperspective view of the progressive rate spring for a suspension;

FIG. 8 is a top left front corner perspective view of the progressiverate spring for a suspension shown in FIG. 1, wherein the top left frontcorner perspective view is identical to a top right rear cornerperspective view of the progressive rate spring for a suspension;

FIG. 9 is a bottom right front corner perspective view of theprogressive rate spring for a suspension shown in FIG. 1, wherein thebottom right front corner perspective view is identical to a bottom leftrear corner perspective view of the progressive rate spring for asuspension; and,

FIG. 10 is a bottom left front corner perspective view of theprogressive rate spring for a suspension shown in FIG. 1, wherein thebottom left front corner perspective view is identical to a bottom rightrear corner perspective view of the progressive rate spring for asuspension.

CLAIM The ornamental design for a progressive rate spring for asuspension, as shown and described.